[Android] A prototype of the interactive media notification.

content/browser/media/android/browser_media_player_manager.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/media/android/browser_media_player_manager.h"
 
 #include "base/android/scoped_java_ref.h"
 #include "base/command_line.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/android/media_players_observer.h"
@@ skipping 549 matching lines @@
     player->SeekTo(time);
 }
 
 void BrowserMediaPlayerManager::OnPause(
     int player_id,
     bool is_media_related_action) {
   MediaPlayerAndroid* player = GetPlayer(player_id);
   if (player)
     player->Pause(is_media_related_action);
 
-  MediaSession::Get(web_contents())->RemovePlayer(this, player_id);
+  if (is_media_related_action)
+    MediaSession::Get(web_contents())->RemovePlayer(this, player_id);
 }
 
 void BrowserMediaPlayerManager::OnSetVolume(int player_id, double volume) {
   MediaPlayerAndroid* player = GetPlayer(player_id);
   if (player)
     player->SetVolume(volume);
 }
 
 void BrowserMediaPlayerManager::OnSetPoster(int player_id, const GURL& url) {
   // To be overridden by subclasses.
@@ skipping 104 matching lines @@
     external_video_surface_container_->ReleaseExternalVideoSurface(player_id);
 #endif  // defined(VIDEO_HOLE)
 }
 
 void BrowserMediaPlayerManager::ReleasePlayer(MediaPlayerAndroid* player) {
   player->Release();
   ReleaseMediaResources(player->player_id());
 }
 
 }  // namespace content